How To Fix RSDD_ZA045 - BW Accelerator services are no longer available

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_ZA - Messages from TREX Aggregate Area

• Message number: 045

• Message text: BW Accelerator services are no longer available

What causes this issue?

BW Accelerator is currently not available. Either all services are no
longer available, or there is no RFC connection to BW Accelerator. It is
not possible to execute actions or queries on BW Accelerator.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If the BW Accelerator monitor indicates that communication to BW
Accelerator is possible, follow any recommended actions provided. O
therwise, contact your system administrator.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD_ZA045 - BW Accelerator services are no longer available ?

  The SAP error message RSDD_ZA045, which indicates that "BW Accelerator services are no longer available," typically arises in the context of SAP BW (Business Warehouse) when the BW Accelerator (BWA) is not functioning properly or is not accessible. This can happen for several reasons, and here are some common causes, solutions, and related information:
  Causes:
  
  BWA Service Down: The BW Accelerator service may be stopped or not running.
  Network Issues: There may be network connectivity issues between the BW system and the BWA.
  Configuration Issues: Incorrect configuration settings in the BW system or BWA can lead to this error.
  Resource Limitations: The BWA may be running out of resources (CPU, memory, etc.), causing it to become unresponsive.
  Version Compatibility: There may be compatibility issues between the BW version and the BWA version.
  
  Solutions:
  
  
  Check BWA Status:
  
  Ensure that the BW Accelerator service is running. You can check this in the BWA administration console or through the SAP GUI.
  Restart the BWA service if it is not running.
  
  
  
  Network Connectivity:
  
  Verify that there are no network issues preventing communication between the BW system and the BWA.
  Check firewall settings and ensure that the necessary ports are open.
  
  
  
  Configuration Review:
  
  Review the configuration settings in both the BW and BWA systems to ensure they are correctly set up.
  Check the settings in transaction RSCONN01 to ensure the connection to the BWA is properly configured.
  
  
  
  Resource Monitoring:
  
  Monitor the resource usage on the BWA server. If it is running low on resources, consider increasing the allocated resources or optimizing the workload.
  Check for any long-running queries that may be consuming resources.
  
  
  
  Version Compatibility:
  
  Ensure that the versions of BW and BWA are compatible. If there are discrepancies, consider upgrading or patching the systems to align their versions.
  
  
  
  Logs and Traces:
  
  Check the logs and traces in both the BW and BWA systems for any additional error messages or warnings that could provide more context on the issue.
  
  
  
  SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP BW and BWA Documentation: Review the official SAP documentation for BW and BWA for best practices and configuration guidelines.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the RSDD_ZA045 error related to BW Accelerator services.